import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

/**
 * Created with IntelliJ IEDA.
 * Description:
 * User:86186
 * Date:2022-10-17
 * Time:21:45
 */
public class Demo {
    public static void main(String[] args) throws IOException {
        OutputStream outputStream = new FileOutputStream("./bbb.txt");

        outputStream.write(97);
        outputStream.write(98);
        outputStream.write(99);
        outputStream.write(100);

        outputStream.close();
    }
}
